144x32 Grafilmodule
Modellnummer WG14432B
►144x32 Grafilmodule
►IC: ST7920
►5-V-Stromversorgung
►Internal boost option
►1/32 duty cycle
►LED kann über Pin 15, Pin 16 oder A, K
►Chinesische Version
►Gleiche Größe wie WH1602B
►Schnittstelle: 6800/SPI
Zeichnung
Data source ref:WG14432B-TMI-VGB#
Technische Daten
Schnittstelle Pin-Funktion
| Pin No. | Symbol | Level | Beschreibung |
|---|---|---|---|
| 1 | VSS | 0V | GND |
| 2 | VDD | 5.0V | Power Supply (+5V) |
| 3 | VO | No connection | |
| 4 | RS | H/L | H/L register select signal |
| 5 | R/W | H/L | H/L Read/Write signal |
| 6 | E | H/L | Enable signal |
| 7 | DB0 | H/L | Data bus line |
| 8 | DB1 | H/L | Data bus line |
| 9 | DB2 | H/L | Data bus line |
| 10 | DB3 | H/L | Data bus line |
| 11 | DB4 | H/L | Data bus line |
| 12 | DB5 | H/L | Data bus line |
| 13 | DB6 | H/L | Data bus line |
| 14 | DB7 | H/L | Data bus line |
| 15 | A | － | LED+ |
| 16 | K | － | LED- |
mechanische Daten
| Artikel | Ausmaß | Einheit |
|---|---|---|
| Number of dots | 144 x 32 | － |
| Module Ausmaß | 80.0 x 36.0 x 13.2 (MAX) | mm |
| View area | 66.0 x 16.0 | mm |
| Active area | 60.44 x 13.4 | mm |
| Dot size | 0.38 x 0.38 | mm |
| Dot pitch | 0.42 x 0.42 | mm |
| LCD-Typ | STN Negative, Blue Transmissive (In LCD production, It will occur slightly color difference.We can only guarantee the same color in the same batch.) |
|
| Duty | 1/32 | |
| Betrachtungsrichtung | 6 o’clock | |
| Backlight-Typ | LED | |
| IC | ST7920 | |
| Schnittstelle | 6800 | |
Absolute Maximalwertimum Ratings
| Artikel | Symbol | Mindestwert | typischer Wert | Maximalwert | Einheit |
|---|---|---|---|---|---|
| Betriebstemperatur | TOP | -20 | － | +70 | ℃ |
| Lagertemperatur | TST | -30 | － | +80 | ℃ |
| Input Voltage | VIN | -0.3 | － | VDD+0.3 | V |
| Supply Voltage For Logic | VDD-VSS | -0.3 | － | 5.5 | V |
| Supply Voltage For LCD | VO-VSS | 0 | － | 7.0 | V |
Elektrische Eigenschaften
| Artikel | Symbol | Bedingung | Mindestwert | typischer Wert | Maximalwert | Einheit |
|---|---|---|---|---|---|---|
| Supply Voltage For Logic | VDD-VSS | － | 4.5 | 5.0 | 5.5 | V |
| Supply Voltage For LCD | V0-VSS | Ta=-20℃ Ta=25℃ Ta=70℃ |
－ |
－ － － |
－ － － |
V V V |
| Input High Volt. | VIH | － | 0.7VDD | － | VDD | V |
| Input Low Volt. | VIL | － | -0.3 | － | 0.6 | V |
| Output High Volt. | VOH | － | 0.8VDD | － | VDD | V |
| Output Low Volt. | VOL | － | － | － | 0.4 | V |
| Supply Current | IDD | VDD=5.0V | 2.0 | 2.5 | 3.5 | mA |
